Question

multiple choice question
which of the following is a function of the outer ear?
to change sound vibrations into a form that can be transmitted to the brain
to use sound waves to help determine where objects are
to collect and bring sounds into the ear
to distinguish between loud and soft sounds
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Explanation:

The outer - ear's main function is to gather sound waves from the environment and funnel them into the ear canal. Changing sound vibrations into a form for brain - transmission is done by the inner ear. Using sound waves for object location is related to echolocation (not a main outer - ear function). Distinguishing loud and soft sounds is more related to the auditory processing in the brain and middle - ear structures.

Answer:

To collect and bring sounds into the ear